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E <br /> JAW <br /> FtEME Ol AT 10N <br /> SERVICES, INC. <br />,.c, i (MV4AOMµKNY✓JL S�gY1Cp <br /> April <br /> ��23, 19921 <br /> r- I lil tZuarr% l-inr .lob No. 8,,_313 <br /> {ildye ,:11 <br /> l'fca+anam CA•,.1 grin <br /> Tel 417 402 if;(': <br /> Fir 1� 4b2.3u25 <br /> Ion, E 5iC1l Mr. $radd Statley <br /> 14 sure 105 RMC Lonestar <br /> Fresno CA 1;706 <br /> Tel _o9 48;.2429 6601 Koll Center Parkway <br /> Far ,og 264.71)41 Pleasanton, <br /> California 94566 <br /> Well Sampling at Tracy, Union City, <br /> subject: Monitor <br /> Pleasanton and Santa Clara, California <br /> RMC Lonestar Facilities <br /> Dear Mr. Statley: <br /> At your authorization and request, <br /> Remediation Services, Inc. (RS) has <br /> performed well sampling services at your Union City,Tracy, Pleasanton and <br /> Santa Clara,California properties(Site Vicinity Maps,Figures 1,3,:;,7,and 9). <br /> report includes a description of sampling activEties,sample logs, <br /> The following p <br /> and chain-of-custody records. <br /> On April 16, 20, 21, and 22 1992, eighteen of the monitoring wells were <br /> nineteenth ell location3in mapSant <br /> for each sitenot found. Figures <br /> sampled. The <br /> 2,4,6,8, and 10 present <br /> Prior to sampling,water levels were treasured from top of casing and at least <br /> three well volumes of water were purged from the wells. Deeppump;wells were <br /> purged with a four-inch Grundfos staainle wefeeused the purger rsible hhallower <br /> Wizard bladder pump or a teflon bailer disposal <br /> wells. Purge water was drummed <br /> rt and <br /> Id after on-siteeft 1)a in each well. <br /> yDuring <br /> Lonestar. Equipment was d EC and temperature of discharge <br /> purging, the pH, electrical conductivity ( ) rvals. les for <br /> groundwater were monitored and recorded a �and lar inte temP erature readings <br /> after p EC <br /> chemical analyses were collected are refrigerated until picked up by <br /> remained stable during purging.Samples <br /> GeoChem Labs on April 23, 1992. <br /> - ��+ .assouatea <br /> A Subsidiary Company of BSK s <br /> l <br /> IHANHNIII�I NII <br />